广东石门台自然保护区石灰岩地区植物区系和植被

Flora and Vegetation in Limestone Area in Shimentai Nature Reserve Guangdong

摘要:

分析了广东英德石门台自然保护区石灰岩地区森林植被的植物种类组成、外貌结构、群落类型和分布状况及石灰岩植物的主要适应特点,并对如何保护和恢复石灰岩地区的森林植被提出了建议。

Abstract:

An investigation of the flora and vegetation was made in li mestone hill with an area of 47.8 km2 in Shimentai Nature Reserve, Yingde County , Guangdong. Eighty-six vascular plant species included in 77 genera and 51 fami lies are distributed here, of which 12 species are endemic to limestone area, viz. ferns, including Hypodematia crenatum, Pyrrosia s imilis, Pteris cretica, and the seed plants, Sapium roundifolium, Sinosideroxylon wightianum, B oniodendron minius, Ptrocetis tatarinowii, Zanthoxylum armatun，etc．The vegetation in the area studied is classified into 6 forest types．i.e. Ptroceltis tatarinowii forest, Zenia insignis forest, Pistacia chinensis forest, Choerospondias axillaris and Ficus microcarpa forest, A lchonea trewioides and Strobilanthes cusia forest, and Sapium roundifolium forest． The protection and restoration measures oflimestone vegetation after disturbance are suggested．